[multiple changes]

2011-08-03  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Optimize_Length_Check): Fix bad handling of case where
	comparison operand is variable, and turns out to be zero or negative.

2011-08-03  Javier Miranda  <miranda@adacore.com>

	* exp_intr.adb
	(Expand_Dispatching_Constructor_Call): Disable expansion of
	code required for native targets. Done to avoid generating
	references to unavailable runtime entities in VM targets.
	* exp_ch3.adb
	(Expand_N_Object_Declaration): Add missing support to handle
	the explicit initialization of class-wide interface objects.
	Fix documentation.

2011-08-03  Matthew Heaney  <heaney@adacore.com>

	* a-cobove.adb (Merge): Move source onto target, instead of using Assign

2011-08-03  Matthew Heaney  <heaney@adacore.com>

	* a-cbdlli.adb (Splice): move source items from first to last

2011-08-03  Yannick Moy  <moy@adacore.com>

	* sem_util.ads: comment added.

2011-08-03  Javier Miranda  <miranda@adacore.com>

	* exp_aggr.adb
	(Expand_Record_Aggregate): In VM targets disable the expansion into
	assignments of aggregates whose type is not known at compile time.

From-SVN: r177233